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1776 The American Revolution was made
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Period: to
History project
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1807 Percussion-detonating principle patented.
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1825 ca. - Percussion-cap guns are in general use.
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1830 - The back action lock appears.
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1835 - The first Colt revolver.
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1840 - Guns begin to use pin-fire cartridges.
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1850 - True shotguns in common use.
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1854-56 - The Crimean War.
.The last war to use only muzzle-loaded guns. -
1859 - The first full rim-fire cartridge.
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1860 - Spencer repeating carbine patented.